Leonard was penalized for an offensive foul late in the game as Harden earned a crucial call to ice the game for the Nets.
The eight-time All-Star finished with 38 points as Brooklyn overcame a 24-point deficit to win 128-124 in Pheonix.
The eight-time All-Star was traded to the Brooklyn Nets in a blockbuster deal involving seven players and four teams.
The NBA superstar had become very unhappy with the Rockets, prompting the trade to the Nets.
The two-time NBA Finals MVP could return as soon as January 12 if he testes negative for COVID-19 over the next week.
The eight-time All-Star is reportedly determined to leave Houston this offseason to be traded to the Brooklyn Nets.
The eight-time All-Star has reportedly turned down the chance of becoming the first NBA player in history to make $50 million a year.
The NBA regular season is set to resume in at Walt Disney World Resort on July 31 with 22 teams competing.
The league has confirmed 14 cases of COVID-19 since it suspended the season last week.
Kevin Durant is one of four Brooklyn Nets squad members to have tested positive for coronavirus, bringing the total number of NBA players positive to seven.
The team announced that the point guard will sit out for the remainder of the season due to shoulder surgery.
Andrew Duncan, identified as a "producer and activist" by journalist Yashar Ali, bought 300 seats for Chinese pro-democracy activists to protest at NBA game.
Eight teams have qualified for the Summer League playoffs, which the Boston Celtics enter as the number one seed.
Russell erupted for 27 points in the final quarter as the Nets overcame a 25-point deficit to beat the Kings 123-121.
Half a year on, this is still acrimonious.
Did the Cavaliers try to shop Irving before he asked for a trade?
The Brooklyn Nets had the NBA's worst record last season.
Prokhorov's newspaper has published revelations about people with ties to President Vladimir Putin.
The team reassigned GM Billy King and fired head coach Lionel Hollins, but it'll take more than fresh faces to turn the franchise around.
The secret to Jones's long life? "She eats a lot of bacon," says her nephew.